San Francisco (SFO) to Boston (BOS) flight deal in economy from $123
SFOSan Francisco International Airport
San Francisco, United States
BOSLogan International Airport
Boston, United States
$205 USD
-40%$123 USD
Verified 14 days agoSeptember 2026
Mon
Tue
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Sun
Rare Availability
5% of dates checked are available within 10% of the lowest price
Tuesday, September 22nd, 2026
Outbound Flights
5h 54m·Nonstop
$154 USD
SFOSep 22 10:16
→BOSSep 22 19:10
UA 2356Boeing 737MAX 9 Passenger
5h 52m·Nonstop
$154 USDSFOSep 22 12:10
→BOSSep 22 21:02
UA 1372Boeing 737MAX 9 Passenger
5h 52m·Nonstop
$154 USDSFOSep 22 14:07
→BOSSep 22 22:59
UA 2634Boeing 737MAX 9 Passenger
5h 56m·Nonstop
$154 USDSFOSep 22 22:58
→BOSSep 23 07:54
UA 1665Boeing 737MAX 9 Passenger
8h 27m·1 stop
$164 USDSFOSep 22 05:00
→ORDSep 22 11:23
UA 2000Boeing 737MAX 9 Passenger
1h 29m layover
ORDSep 22 12:52
→BOSSep 22 16:27
UA 2401Boeing 737
8h 36m·1 stop
$164 USDSFOSep 22 06:00
→ORDSep 22 12:29
UA 2091Airbus A321neo
1h 26m layover
ORDSep 22 13:55
→BOSSep 22 17:36
UA 1928Boeing 737MAX 9 Passenger
8h 4m·1 stop
$164 USDSFOSep 22 23:14
→IADSep 23 07:35
UA 2111Boeing 737MAX 9 Passenger
1h layover
IADSep 23 08:35
→BOSSep 23 10:18
UA 641Boeing 737MAX 9 Passenger
8h 34m·1 stop
$164 USDSFOSep 22 23:30
→ORDSep 23 05:59
UA 368Airbus A321neo
1h 31m layover
ORDSep 23 07:30
→BOSSep 23 11:04
UA 1706Boeing 737
5h 55m·Nonstop
$179 USDSFOSep 22 08:12
→BOSSep 22 17:07
UA 2647Boeing 737MAX 9 Passenger
8h 39m·1 stop
$182 USDSFOSep 22 00:45
→IAHSep 22 06:35
UA 604Boeing 777
45m layover
IAHSep 22 07:20
→BOSSep 22 12:24
UA 1977Boeing 737MAX 9 Passenger